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From Edwin Crockford <ecrockf...@invicro.com>
Subject Re: [lucy-user] Indexing error message
Date Mon, 08 Dec 2014 20:55:44 GMT
Hi Marvin,

Thanks for the quick reply, here's a fragment of  the cfmeta.json file 
for the segment:

{
   "files": {
     "documents.dat": {
       "length": "17556716",
       "offset": "0"
     },
     "documents.ix": {
       "length": "238760",
       "offset": "17556720"
     },
     "highlight.dat": {
       "length": "47793",
       "offset": "17795480"
     },
     "highlight.ix": {
       "length": "0",
       "offset": "17843280"
     },


Not quite sure what the format is but it  has a 0 length for 
"highlight.ix", highlight.dat has a largish length. Is this some failure 
in the highlighting mechansim?

Regards
Edwin

On 08/12/2014 20:32, Marvin Humphrey wrote:
> On Mon, Dec 8, 2014 at 12:05 PM, Edwin Crockford <ecrockford@invicro.com> wrote:
>> Repeatedly get errors like this:
>>
>> /Can't Seek '/home/ipacs/ipacs/index/webdisk/seg_qjqo/highlight.ix' past EOF
>> (8 > 0)/
>>
>> Anybody have and idea what is causing this?
> The `highlight.ix` virtual file is a sequence of 8-byte file pointers, each of
> which points into a variable size blob in the virtual file `highlight.dat`.
> Lucy document numbers for each segment begin at 1, and the length of
> `highlight.ix` should be `highest_doc_num * 8`.  If the file's length is 0,
> that implies that there are no documents in that segment.
>
> The next step when debugging this is to examine the contents of cfmeta.json
> for the specific segment.  Does the segment really contain no documents?  Is
> the virtual file `documents.ix`, which follows the same format, also
> zero-length?
>
> Marvin Humphrey


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